Stadium: Court 1 Round: 25
| ITF Korea F3 Qual | 2018/06/17 04:30 | Ku Keon Kang v Hyeong Don Kim | 4-6,6-1,4-6 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Ku Keon Kang v Sung Hun Kim | 6-4,7-5 |
| ITF Korea F2 | 2018/06/13 04:45 | Ji Hoon Son v Ku Keon Kang | 6-1,6-4 |
| ITF Korea F2 | 2018/06/11 03:30 | Ku Keon Kang v Alec Adamson | 7-5,2-6,7-5 |
| ITF Korea F2 | 2018/06/10 05:00 | Ku Keon Kang v Dukyoung Kim | 6-2,6-4 |
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Ku Keon Kang v Paramveer Singh Bajwa | 2-6,6-7 |
| ITF Vietnam F2 | 2018/05/06 06:00 | Ku Keon Kang v Aaron Addison | 3-6,2-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Liang-Yu Lin v Cheong Hwi Kim | 6-2,6-4 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Chih Chi Huang v Cheong Hwi Kim | 6-4,3-6,6-3 |
| ITF Malaysia F1 Qual | 2018/07/01 08:00 | Cheong Hwi Kim v Shamael Chaudhry | 3-6,5-7 |
| ITF Malaysia F1 Qual | 2018/07/01 02:00 | Naesar Jewoor v Cheong Hwi Kim | 3-6,3-6 |
| ITF Korea F3 Qual | 2018/06/16 05:00 | Jae Won Yun v Cheong Hwi Kim | 6-0,5-7,6-1 |
| ITF China F6 Qual | 2018/05/12 09:10 | Sheng Tang v Cheong Hwi Kim | 7-5,6-3 |
| ITF China F5 Qual | 2018/05/05 09:40 | Changli Zhang v Cheong Hwi Kim | 6-3,6-1 |
| ITF China F4 Qual | 2018/04/30 02:00 | Weiqiang Zheng v Cheong Hwi Kim | 6-1,6-0 |